integration of django-social-auth for facebook login
Merge branch 'v2.1Social-facebook-login' of priccohg:jchubber/CareerVillage into v2.1Social-facebook-login
finish facebook login, closes #258
add facebook settings for student, closes #260
add logic to modal buttons
Merge branch 'v2.1Social-facebook-login' into v2.1Social-settings-page

Conflicts:
	requirements.txt
finish question like publishing
Merge remote-tracking branch 'origin/v2.1Social-like-question' into v2UI